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		<title>DragRectangle.java</title>
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DragRectangle.java
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/**
 * This example has rubber band drag rectangles.
 * 
 * @author Heidi Rakels
 */
public class DragRectangle extends JPanel
{

	// Static fields.

	public static final int FRAME_WIDTH = 600;
	public static final int FRAME_HEIGHT = 450;

	// Constructor.

	public DragRectangle(JFrame frame)
	{
		super(new BorderLayout());
		
		// Create the dock model for the docks.
		FloatDockModel dockModel = new FloatDockModel();
		dockModel.addOwner("frame0", frame);

		// Give the dock model to the docking manager.
		DockingManager.setDockModel(dockModel);

		// The drag rectangles have to be rubberbands.
		float[] pattern = {1.0f, 1.0f};
		Stroke stroke = new BasicStroke(1, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER, 1.0f, pattern, 0.0f);
		DefaultRectanglePainter borderPainter = new DefaultRectanglePainter();
		borderPainter.setStroke(stroke);
		borderPainter.setBorderColor(Color.black);
		borderPainter.setBorderCount(4);
		borderPainter.setBorderShift(1);
		borderPainter.setFillColor(null);
		borderPainter.setArcHeight(0);
		borderPainter.setArcWidth(0);
		SwDockableDragPainter dockableDragPainter = new SwDockableDragPainter(borderPainter);
		StaticDraggerFactory draggerFactory = new StaticDraggerFactory(dockableDragPainter);
		DockingManager.setDraggerFactory(draggerFactory);

		// Create the content components.
		TextPanel textPanel1 = new TextPanel("I am window 1.");
		TextPanel textPanel2 = new TextPanel("I am window 2.");
		TextPanel textPanel3 = new TextPanel("I am window 3.");
		TextPanel textPanel4 = new TextPanel("I am window 4.");
		
		// Create the dockables around the content components.
		Icon icon = new ImageIcon(getClass().getResource("/com/javadocking/resources/images/text12.gif"));
		Dockable dockable1 = new DefaultDockable("Window1", textPanel1, "Window 1", icon);
		Dockable dockable2 = new DefaultDockable("Window2", textPanel2, "Window 2", icon);
		Dockable dockable3 = new DefaultDockable("Window3", textPanel3, "Window 3", icon);
		Dockable dockable4 = new DefaultDockable("Window4", textPanel4, "Window 4", icon);

		// Create the child tab dock.
		TabDock leftTabDock = new TabDock();
		TabDock rightTabDock = new TabDock();
		
		// Add the dockables to the tab dock.
		leftTabDock.addDockable(dockable1, new Position(0));
		leftTabDock.addDockable(dockable2, new Position(1));
		rightTabDock.addDockable(dockable3, new Position(0));
		rightTabDock.addDockable(dockable4, new Position(1));

		// Create the split dock.
		SplitDock splitDock = new SplitDock();
		
		// Add the child docks to the split dock at the left and right.
		splitDock.addChildDock(leftTabDock, new Position(Position.LEFT));
		splitDock.addChildDock(rightTabDock, new Position(Position.RIGHT));
		splitDock.setDividerLocation(290);

		// Add the root dock to the dock model.
		dockModel.addRootDock("splitDock", splitDock, frame);
		
		// Add the split dock to the panel.
		add(splitDock, BorderLayout.CENTER);
		
	}
	
	/**
	 * This is the class for the content.
	 */
	private class TextPanel extends JPanel implements DraggableContent
	{
		
		private JLabel label; 
		
		public TextPanel(String text)
		{
			super(new FlowLayout());
			
			// The panel.
			setMinimumSize(new Dimension(80,80));
			setPreferredSize(new Dimension(150,150));
			setBackground(Color.white);
			setBorder(BorderFactory.createLineBorder(Color.lightGray));
			
			// The label.
			label = new JLabel(text);
			label.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
			add(label);
		}
		
		// Implementations of DraggableContent.

		public void addDragListener(DragListener dragListener)
		{
			addMouseListener(dragListener);
			addMouseMotionListener(dragListener);
			label.addMouseListener(dragListener);
			label.addMouseMotionListener(dragListener);
		}
	}

	// Main method.
	
	public static void createAndShowGUI()
	{
		
		// Create the frame.
		JFrame frame = new JFrame("Split dock");

		// Create the panel and add it to the frame.
		DragRectangle panel = new DragRectangle(frame);
		frame.getContentPane().add(panel);
		
		// Set the frame properties and show it.
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
		frame.setLocation((screenSize.width - FRAME_WIDTH) / 2, (screenSize.height - FRAME_HEIGHT) / 2);
		frame.setSize(FRAME_WIDTH, FRAME_HEIGHT);
		frame.setVisible(true);
		
	}

	public static void main(String args[]) 
	{
        Runnable doCreateAndShowGUI = new Runnable() 
        {
            public void run() 
            {
                createAndShowGUI();
            }
        };
        SwingUtilities.invokeLater(doCreateAndShowGUI);
    }
	
}
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